effect. As a tradition, however, this latter concert dates back only to the mid-1980s, when the College Choir first acquired female members. In the years immediately before this, an annual concert on the river was given by the University Madrigal Society.
=== Mallard ===
Another tradition relates to an artificial duck known as the Mallard, which should reside in the rafters of the Great Hall. Students occasionally moved the duck from one rafter to another without permission from the college. This is considered difficult; access to the Hall outside meal-times is prohibited and the rafters are dangerously high, so it was not attempted for several years. During the Easter term of 2006, the Mallard was knocked off its rafter by one of the pigeons which enter the Hall through the pinnacle windows. It was reinstated by students in 2016, and is only visible from the far end of the hall.
=== College rivalry ===
The college remains a great rival of St John's which is its main competitor in sports and academia. This …
